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发明名称
AN ARRANGEMENT IN CONNECTION WITH A DRILLING PLATFORM
摘要
申请公布号
GB2203782(B)
申请公布日期
1991.10.09
申请号
GB19880008474
申请日期
1988.04.11
申请人
* NORCEM DRILLING A/S
发明人
JOHN * MCGILL
分类号
E02B17/00
主分类号
E02B17/00
代理机构
代理人
主权项
地址
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